M61524FP Datasheet PDF - Hitachi -> Renesas Electronics

Features
   Function                             FEATURES
   Input selector                     4input selector MUTE
   Input gain control               0,+3,+6,+9dB
   Karaoke mode                   Stereo, Lch mono, Rch mono, Vocal cut
   MIC MIX                             Mixing before the output of REC MIC amp:+6dB, With the MIC SWs
   REC Output                       LRch each one output
   Surround                            With the ON/OFF SWs
   Main Volume                      0 -90dB, -∞/1dB step
                                              • A volume 0 to -24dB/1dB step
                                              • B volume 0 to -66dB, -∞/1dB step
                                              Each channel is independence control.
   Tone control                       (1) Bass -8 +14dB/2dB step,f0=100Hz
                                              (2) Mid:±8dB/2dB step,f0=1KHz
                                              (3) Treble: ±8dB/2dB step,f0=10KHz
                                               Add a Bypass Mode/Tone Mode changing SWs
   Bass boost                          High Pass Filter Type
   Microcomputer Interface     2 line serial data control .

APPLICATION
   Mini Stereo, etc.